HD404669 Datasheet, PDF (100/142 Pages) Hitachi Semiconductor – Low-Voltage AS Microcomputers with On-Chip DTMF Generation Circuit

HD404669 Series
Compare data register (CDR: $017)
Bit
Initial value
Read/Write
Bit name
3
2
1
0
—
— Undetermined Undetermined
—
—
R
R
Not Used Not Used CDR1 CDR0
CDR 0
0
1
Result of comparison between COMP₀ pin and reference voltage
COMP₀ pin < reference voltage
COMP₀ pin > reference voltage
CDR1
0
1
Result of comparison between COMP₁ pin and reference voltage
COMP₁ pin < reference voltage
COMP₁ pin > reference voltage
Figure 78 Compare Data Register (CDR)
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